view gcc/testsuite/gcc.dg/tree-ssa/negneg-1.c @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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/* { dg-do compile } */
/* { dg-options "-O -frounding-math -fdump-tree-optimized-raw -Wno-psabi" } */

#define DEF(num, T1, T2) T2 f##num(T1 x) { \
    T1 y = -x; \
    T2 z = (T2)y; \
    return -z; \
}
DEF(0, int, long long)
DEF(1, int, unsigned long long)
DEF(2, long long, int)
DEF(3, unsigned long long, int)
DEF(4, long long, unsigned)
DEF(5, unsigned long long, unsigned)
DEF(6, float, double)

typedef int vec __attribute__((vector_size(4*sizeof(int))));
typedef unsigned uvec __attribute__((vector_size(4*sizeof(int))));
void h(vec*p,uvec*q){
    vec a = -*p;
    *q = -(uvec)a;
}

/* { dg-final { scan-tree-dump-not "negate_expr" "optimized"} } */